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Finding the Fourth Proportional to 366,508.95, 549,745.20 and 189,033.90

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Solution

The fourth proportional to 366,508.95, 549,745.20 and 189,033.90 is: 283,541.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,508.95 : 549,745.20 = 189,033.90 : x
  2. Step 2: Convert to fraction form
    366,508.95/549,745.20 = 189,033.90/x
  3. Step 3: Cross multiply
    366,508.95x = 549,745.20 × 189,033.90
  4. Step 4: Simplify right side
    366,508.95x = 103,920,479,162.28
  5. Step 5: Solve for x
    x = 103,920,479,162.28/366,508.95
  6. Step 6: Final answer
    x = 283,541.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.